# -*- coding: utf-8 -*-
# Author: xiantingDeng
# File: 02_多任务.py
# Time: 20:59


from time import sleep

def sing():
    for i in  range(3):
        print("正在唱歌：{}".format(i))
        sleep(1)

def dance():
    for i in range(3):
        print("正在跳舞：{}".format(i))

if __name__ == '__main__':

    sing()
    dance()